在VC2010,关于win32项目程序开始创建时的问题

我是一个初学者。在创建win32项目以后,机器自然打开到.cpp的界面。然后,就生成了很多我看不懂的代码。我不知道这些代码都是什么含义,有什么作用。希望高手能帮这逐条逐句的能解释,注释一下。谢谢啊~~~~可能写这个注释比较烦人的,知恩图报,我给20个金币。希望能遇到好心人啊~~~~程序如下:#include "stdafx.h"#include "2012-11-30-7.h"#define MAX_LOADSTRING 100HINSTANCE hInst; TCHAR szTitle[MAX_LOADSTRING]; TCHAR szWindowClass[MAX_LOADSTRING]; ATOM MyRegisterClass(HINSTANCE hInstance);BOOL InitInstance(HINSTANCE, int);LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);int APIENTRY _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow){ UNREFERENCED_PARAMETER(hPrevInstance); UNREFERENCED_PARAMETER(lpCmdLine); MSG msg; HACCEL hAccelTable; LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING); LoadString(hInstance, IDC_MY201211307, szWindowClass, MAX_LOADSTRING); MyRegisterClass(hInstance); if (!InitInstance (hInstance, nCmdShow)) { return FALSE; } hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_MY201211307)); while (GetMessage(&msg, NULL, 0, 0)) { if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) { TranslateMessage(&msg); DispatchMessage(&msg); } } return (int) msg.wParam;}ATOM MyRegisterClass(HINSTANCE hInstance){ WNDCLASSEX wcex; wcex.cbSize = sizeof(WNDCLASSEX); wcex.style = CS_HREDRAW | CS_VREDRAW; wcex.lpfnWndProc = WndProc; wcex.cbClsExtra = 0; wcex.cbWndExtra = 0; wcex.hInstance = hInstance; wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_MY201211307)); wcex.hCursor = LoadCursor(NULL, IDC_ARROW); wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1); wcex.lpszMenuName = MAKEINTRESOURCE(IDC_MY201211307); wcex.lpszClassName = szWindowClass; wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL)); return RegisterClassEx(&wcex);}BOOL InitInstance(HINSTANCE hInstance, int nCmdShow){ HWND hWnd; hInst = hInstance; hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL); if (!hWnd) { return FALSE; } ShowWindow(hWnd, nCmdShow); UpdateWindow(hWnd); return TRUE;}INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam){ UNREFERENCED_PARAMETER(lParam); switch (message) { case WM_INITDIALOG: return (INT_PTR)TRUE; case WM_COMMAND: if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) { EndDialog(hDlg, LOWORD(wParam)); return (INT_PTR)TRUE; } break; } return (INT_PTR)FALSE;}
2026年09月26日 22:10
有3个网友回答
网友(1):

这是windows应用程序的通用代码。
一般要在windows建立窗口,少不了这些代码,下面我只是分块简单的介绍下
#include "stdafx.h"
#include "2012-11-30-7.h"
#define MAX_LOADSTRING 100
/*定义一些全局变量,方便使用*/
HINSTANCE hInst; //实例句柄
TCHAR szTitle[MAX_LOADSTRING]; //窗口标题
TCHAR szWindowClass[MAX_LOADSTRING]; //窗口类名称
ATOM MyRegisterClass(HINSTANCE hInstance); //注册窗口类
BOOL InitInstance(HINSTANCE, int);//创建窗口(初始化实例)
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);//消息处理程序
INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);
int APIENTRY _tWinMain(HINSTANCE hInstance,//windows程序入口
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{
UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);//不检查lpCmdLine是否被引用,这是针对编译等级比较高的时候,如果变量为被引用,会提示警告,此宏即是消除警告
MSG msg;//定义消息结构体
HACCEL hAccelTable;//加速键句柄,自己查查,一两句说不清楚。
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_MY201211307, szWindowClass, MAX_LOADSTRING);//从资源中加载字符串
MyRegisterClass(hInstance);
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}
hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_MY201211307));
while (GetMessage(&msg, NULL, 0, 0))//消息循环
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
return (int) msg.wParam;
}
ATOM MyRegisterClass(HINSTANCE hInstance)//注册窗口类
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProc;//设置窗口消息处理程序
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_MY201211307));
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = MAKEINTRESOURCE(IDC_MY201211307);
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));
return RegisterClassEx(&wcex);
}
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
hInst = hInstance;
hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
if (!hWnd)
{
return FALSE;
}
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(lParam);
switch (message)
{
case WM_INITDIALOG:
return (INT_PTR)TRUE;
case WM_COMMAND:
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, LOWORD(wParam));
return (INT_PTR)TRUE;
}
break;
}
return (INT_PTR)FALSE;
}
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);函数我没看到定义在哪里。
建立窗口的基本流程如上,你可以看看windows程序设计之类的书。

网友(2):

说实话我也看不懂.

创建win32 项目时候, 你应该有一个选项要注意

empty project (空项目) 然后自己添加.cpp文件.

写main函数

网友(3):

这个刚开始没必要每句都懂,只要知道每个函数有什么作用就行了,如果你以后继续深入win32就会理解的.注释见楼上

你如果学win32,首先一定要知道一个项目有那几部分组成....